4 files changed, 45 insertions, 9 deletions

diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
index 385ecd58f1c..796f12d59da 100644
--- a/drivers/media/video/cx25840/cx25840-core.c
+++ b/drivers/media/video/cx25840/cx25840-core.c
@@ -1347,30 +1347,59 @@ static int cx25840_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
 }
 #endif
 
+static int cx25840_s_audio_stream(struct v4l2_subdev *sd, int enable)
+{
+        struct cx25840_state *state = to_state(sd);
+        struct i2c_client *client = v4l2_get_subdevdata(sd);
+        u8 v;
+
+        if (is_cx2583x(state) || is_cx2388x(state) || is_cx231xx(state))
+                return 0;
+
+        v4l_dbg(1, cx25840_debug, client, "%s audio output\n",
+                        enable ? "enable" : "disable");
+
+        if (enable) {
+                v = cx25840_read(client, 0x115) | 0x80;
+                cx25840_write(client, 0x115, v);
+                v = cx25840_read(client, 0x116) | 0x03;
+                cx25840_write(client, 0x116, v);
+        } else {
+                v = cx25840_read(client, 0x115) & ~(0x80);
+                cx25840_write(client, 0x115, v);
+                v = cx25840_read(client, 0x116) & ~(0x03);
+                cx25840_write(client, 0x116, v);
+        }
+        return 0;
+}
+
 static int cx25840_s_stream(struct v4l2_subdev *sd, int enable)
 {
         struct cx25840_state *state = to_state(sd);
         struct i2c_client *client = v4l2_get_subdevdata(sd);
+        u8 v;
 
-        v4l_dbg(1, cx25840_debug, client, "%s output\n",
+        v4l_dbg(1, cx25840_debug, client, "%s video output\n",
                         enable ? "enable" : "disable");
         if (enable) {
                 if (is_cx2388x(state) || is_cx231xx(state)) {
-                        u8 v = (cx25840_read(client, 0x421) | 0x0b);
+                        v = cx25840_read(client, 0x421) | 0x0b;
                         cx25840_write(client, 0x421, v);
                 } else {
-                        cx25840_write(client, 0x115,
-                                        is_cx2583x(state) ? 0x0c : 0x8c);
-                        cx25840_write(client, 0x116,
-                                        is_cx2583x(state) ? 0x04 : 0x07);
+                        v = cx25840_read(client, 0x115) | 0x0c;
+                        cx25840_write(client, 0x115, v);
+                        v = cx25840_read(client, 0x116) | 0x04;
+                        cx25840_write(client, 0x116, v);
                 }
         } else {
                 if (is_cx2388x(state) || is_cx231xx(state)) {
-                        u8 v = cx25840_read(client, 0x421) & ~(0x0b);
+                        v = cx25840_read(client, 0x421) & ~(0x0b);
                         cx25840_write(client, 0x421, v);
                 } else {
-                        cx25840_write(client, 0x115, 0x00);
-                        cx25840_write(client, 0x116, 0x00);
+                        v = cx25840_read(client, 0x115) & ~(0x0c);
+                        cx25840_write(client, 0x115, v);
+                        v = cx25840_read(client, 0x116) & ~(0x04);
+                        cx25840_write(client, 0x116, v);
                 }
         }
         return 0;
@@ -1601,6 +1630,7 @@ static const struct v4l2_subdev_tuner_ops cx25840_tuner_ops = {
 static const struct v4l2_subdev_audio_ops cx25840_audio_ops = {
         .s_clock_freq = cx25840_s_clock_freq,
         .s_routing = cx25840_s_audio_routing,
+        .s_stream = cx25840_s_audio_stream,
 };
 
 static const struct v4l2_subdev_video_ops cx25840_video_ops = {
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index e12c6022373..2f90dd255cd 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -577,10 +577,14 @@ int ivtv_start_v4l2_encode_stream(struct ivtv_stream *s)
                 clear_bit(IVTV_F_I_EOS, &itv->i_flags);
 
                 /* Initialize Digitizer for Capture */
+                /* Avoid tinny audio problem - ensure audio clocks are going */
+                v4l2_subdev_call(itv->sd_audio, audio, s_stream, 1);
+                /* Avoid unpredictable PCI bus hang - disable video clocks */
                 v4l2_subdev_call(itv->sd_video, video, s_stream, 0);
                 ivtv_msleep_timeout(300, 1);
                 ivtv_vapi(itv, CX2341X_ENC_INITIALIZE_INPUT, 0);
                 v4l2_subdev_call(itv->sd_video, video, s_stream, 1);
+                ivtv_msleep_timeout(300, 1);
         }
 
         /* begin_capture */
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 1bbdab08fe0..ad9ed51f7b9 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -1705,6 +1705,7 @@ static int pvr2_decoder_enable(struct pvr2_hdw *hdw,int enablefl)
         pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 stream=%s",
                    (enablefl ? "on" : "off"));
         v4l2_device_call_all(&hdw->v4l2_dev, 0, video, s_stream, enablefl);
+        v4l2_device_call_all(&hdw->v4l2_dev, 0, audio, s_stream, enablefl);
         if (hdw->decoder_client_id) {
                 /* We get here if the encoder has been noticed.  Otherwise
                    we'll issue a warning to the user (which should
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 9ba99cd39ee..2bcdca0a57f 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -180,6 +180,7 @@ struct v4l2_subdev_audio_ops {
         int (*s_clock_freq)(struct v4l2_subdev *sd, u32 freq);
         int (*s_i2s_clock_freq)(struct v4l2_subdev *sd, u32 freq);
         int (*s_routing)(struct v4l2_subdev *sd, u32 input, u32 output, u32 config);
+        int (*s_stream)(struct v4l2_subdev *sd, int enable);
 };
 
 /*